Math(Grade 4)

1.2⁶ = ( )

• 8

• 16

• 32

• 64

• 128

9647000000.=. (. )亿

3. 1456dm² =. (. )m²

• 1.456

• 14.56

• 145.6

• None of the above

Answer explanation

这道题用了单位换算，小数点移动。

66/100 = (. )%

12098 km = (. )m

• 1.2098

• 12.098

• 120980

• 12098000

• All of the above

Answer explanation

Km — m

44,6,55,8,66,10,(. )

• 77

• 11

• Both A and C

• None of the above

On question number six,is it correct or wrong?

• Correct

• Incorrect

In 6.7,(. ) ones, (. ) 1/10

• 6

• 4

• 1

• 7

化简下面的小数：

100.98000,12.9860,

567.007000,400.56782000

• 1.1.98,2.12.986,3.567.7,4.4.56782

• 1.100.98,2.12.956,3.567.007,4.400.56782

• Both A and B

• All of the above

计算🧮： 3.987 + 6.017 = ?